FB Submersible Motors Range 4″ – 4B

Description

F.B 4” oil-filled rewindable motors for long-term operation in wells with diameters of 4” or greater. The ball bearings are generously dimensioned to ensure the motor long service life. A special membrane compensates the pressure inside the motor.

Product Benefits

• All parts in contact with water are made of AISI 304 stainless steel.
• Industry-leading efficiency with low operating costs.
• Protruding shaft made of AISI 304 stainless steel up to 2.2kW. DUPLEX from 3kW up to 7.5kW.
• The power cable plug prevents oil from leaking out during operation.
• The power cable complies with drinking water regulations.
• The cast iron upper motor support has been treated with cataphoresis to prevent corrosion.
• The sand-proof seal protects the mechanical seal from sand.
• The ball bearings are suitably dimensioned for up to 5.000 N.
• Ceramic mechanical seal.
• The motors are pre-filled with food grade oil.

Technical Specifications

• From 0,37kW to 7,5kW
• Flange: 4” NEMA
• Protection rating: IP68
• Insulation class: F
• Number of starting each hour: Max. 35
• Installation: vertical or horizontal
• 50-60 Hz voltage tolerance: -10% / +10%
• Minimum cooling rate: 0,10m/s
• Installation below the water level: up to 300m
• Max. storage temperature: -15°C / +60°C
• Motor Cable (WRAS, KTW, ACS approved) food grade 0,6 / 1kv

Options

• Special voltages
• Special frequencies
• Silicon-carbide SIC-SIC mechanical seal
• Cables with different lengths up to a maximum of 50m with plug for quick, secure connection
• Vertical and horizontal cooling jackets
• Sacrificial anode
• Capacitors